http://en.wikipedia.org/wiki/United_States

http://wikitravel.org/en/United_States_of_America

http://www.booking.com/country/us.html

http://www.mtv.com/overdrive/?vid=216382

https://www.cia.gov/library/publications/the-world-factbook/geos/us.html

http://www.usa.gov/

http://en.citizendium.org/wiki/American

http://search.barnesandnoble.com/How-to-Ruin-the-United-States-of-America/Ben-Stein/e/9781401918699

http://www.conservapedia.com/United_States_of_America

http://www.ehow.com/how_4491849_vote-president-united-states-america.html

http://www.expedia.com/pubspec/scripts/eap.asp?GOTO=HOTSEARCH&SearchType=Place&SearchArea=Attraction&PlaceName=Hillstead+Museum,+Farmington,+Connecticut,+United+States+of+America&eapid=13290-1&semcid=13290-1&kword=ATT&kend=1